Home / 2,503.10-3,455.66-1,664.45

Finding the Fourth Proportional to 2,503.10, 3,455.66 and 1,664.45

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Solution

The fourth proportional to 2,503.10, 3,455.66 and 1,664.45 is: 2,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.10 : 3,455.66 = 1,664.45 : x
  2. Step 2: Convert to fraction form
    2,503.10/3,455.66 = 1,664.45/x
  3. Step 3: Cross multiply
    2,503.10x = 3,455.66 × 1,664.45
  4. Step 4: Simplify right side
    2,503.10x = 5,751,773.13
  5. Step 5: Solve for x
    x = 5,751,773.13/2,503.10
  6. Step 6: Final answer
    x = 2,297.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.